Option overview

A simple extension to the Effect Option module

Table of contents

• Models
  • OptionOrNullable (type alias)
• Utils
  • fromNextIteratorValue
  • fromOptionOrNullable
  • traverseEither

Models

OptionOrNullable (type alias)

Type that synthesizes two different ways to represent an optional value. Useful to open a dev to non effect users

Signature

export type OptionOrNullable<A> = Option.Option<A> | null | undefined | A

Utils

fromNextIteratorValue

Reads the next value of an Iterator into an Option

Signature

export declare const fromNextIteratorValue: <A>(iterator: Iterator<A>) => Option.Option<A>

fromOptionOrNullable

Converts an OptionOrNullable into an Option.

Signature

export declare const fromOptionOrNullable: <A>(a: OptionOrNullable<A>) => Option.Option<A>

traverseEither

Transforms an Option of an Either in an Either of an Option

Signature

export declare const traverseEither: <R, L>(o: Option.Option<Either.Either<R, L>>) => Either.Either<Option.Option<R>, L>